Manufacturer Part Number
TPS71728DCKR
Manufacturer
Texas Instruments
Introduction
This product is a high-performance, low-dropout linear regulator (LDO), designed for power management in various electronic devices.
Product Features and Performance
Delivers a fixed output voltage of 2.8V
Supports input voltages up to 6.5V
Low dropout voltage of 0.3V at 150mA load
Output current capability of 150mA
Ultra-low quiescent current of 80µA, optimizing power efficiency
PSRR of 70dB to 45dB across 100Hz to 1MHz frequencies, ensuring stable output
Integrated enable control feature for power management flexibility
Comprehensive protection against overcurrent, overtemperature, reverse polarity, and undervoltage conditions
Product Advantages
High efficiency and low power consumption extend battery life
Small dropout voltage maintains performance across various supply levels
Enhanced thermal performance through overtemperature protection
Robust output stability ensured by excellent PSRR
Compact SC-70-5 package suitable for space-constrained applications
Key Technical Parameters
Voltage Input (Max): 6.5V
Voltage Output (Min/Fixed): 2.8V
Voltage Dropout (Max): 0.3V @ 150mA
Current Output: 150mA
Current Quiescent (Iq): 80 µA
PSRR: 70dB ~ 45dB at frequency range 100Hz ~ 1MHz
Quality and Safety Features
Overcurrent protection prevents damage from excessive load currents
Overtemperature protection safeguards the device against high operation temperatures
Reverse polarity protection prevents damage from incorrect power connections
Undervoltage lockout (UVLO) ensures stable operation by disabling the output when input voltage is too low
Compatibility
The TPS71728DCKR is designed for use in a wide range of electronic devices requiring stable and efficient power supply.
Application Areas
Portable and battery-powered devices
Microcontroller power supply
Consumer electronics
Health and medical equipment
Product Lifecycle
Currently, the TPS71728DCKR remains active and widely available. Texas Instruments has not indicated any plans for discontinuation, ensuring long-term availability and support. Replacements or upgrades are offered for continuous product improvement.
Several Key Reasons to Choose This Product
Exceptionally low quiescent current enhances battery life
High PSRR ensures stable output voltage against supply noise
Broad operating temperature range (-40°C to 125°C) suitable for various environments
Advanced protection features ensure reliability and safety in use
Texas Instruments' reputation for quality and support in semiconductor manufacturing
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